KIDS as young as 13 are being exposed to sickening videos glorifying terror attacks, anti-Semitism and racist slurs on TikTok.

The video-sharing app popular with teenagers has faced a backlash over its failure to protect youngsters from toxic footage.

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Leading anti-racism campaigners said posts found by The Sun Online show the app is exposing kids to a 'cesspit of hate'.

In minutes, we unearthed a series of posts celebrating terrorist killings and promoting Holocaust denials and anti-Jewish conspiracy theories.

Scores of posts feature sickening anti-Semitic taunts - with cartoons depicting Jewish men with large noses and joking about the Holocaust receiving hundreds of likes and comments.

In one video, racist sketches of characters labelled 'A Sneaky Jew' and 'Mega Jew' are followed by anti-Semetic tropes that Jewish people control the media, financial sector and government.

In one horrifying clip, a TikTok user 'duets' - a video reply shared alongside an original, innocent post - with a young male talking about the dangers of anti-Semitic slurs.

The user opens an oven door and points inside as the original clip plays alongside.

It appears to reference the Holocaust, in which millions of Jews were gassed to death and cremated in large ovens by Nazi Germany during the Second World War.

One TikTok user commented: "You have to put a trail of coins for them to follow."

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Another, appearing to cast doubt on the six million Holocaust death toll, said: "I myself have been gassed over 6,000,000 times!!!"

A host of videos including Holocaust denial and anti-Semitic tropes had been viewed thousands of times before we flagged them to TikTok bosses.

Users commenting under the videos posted under handles including @1_hate_J3ws and @deathtoj3ws.

Gideon Falter, chief executive of Campaign Against Antisemitism said: "TikTok has become yet another social media platform serving up a diet of hatred to teenagers and young children.

"Those who post antisemitic memes about gassing Jews and Holocaust denial should be banned from social media and prosecuted.

"Tik Tok must take rapid action to prevent its app becoming a cesspit of hate where our children are radicalised into racism."

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Sickening footage of the Christchurch terrorist massacre, in which 51 people were shot dead when a white supremacist killer stormed two mosques, was among a series of chilling far-right clips found on the app just this week.Others included videos hailing and featuring the speeches of former British Union of Fascists leader Sir Oswald Mosley.

German neo-Nazi group Atomwaffen Division (AWD) has shared videos calling for 'random violence' and a white supremacist 'accelerationism' to promote the rise of fascism on the app.

Former English Defence League leader and convicted thug Tommy Robinson also posts political selfie videos on TikTok despite being banned from social media sites such as Facebook, YouTube and Twitter.

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We also found a series of posts from Islamist and pro-Palestinian extremists calling for violence against its targets.

Islamic State has focused on online propaganda since its formation and is known to use social media to spread its calls for attacks on the West.

TikTok removed a series of Islamic State propaganda videos last October after an investigation by Storyful.

The videos featured corpses paraded through streets, ISIS militants training with machine guns and extremists calling for non-believers to be slaughtered.

Elisabeth Kendall, an Oxford University expert on extremism, said the platform appeals to terror groups looking to radicalise children.

She said: "The rhyme, beat, evocative lyrics and punchy delivery are especially appealing to youth.

"This catchy sing-along method for propagating ISIS ideology means it spreads quickly and sticks in the collective memory. It tends to be far more effective than sermons or theological debate."